import { Component, EventEmitter, Injector, Output, ViewChild } from '@angular/core';
import { AppComponentBase } from '@shared/common/app-component-base';
import { FindOrganizationUnitUsersInput, WorkflowServiceProxy, OrganizationUnitServiceProxy, UsersToOrganizationUnitInput, WorkflowStepViewDto, WorkflowSchemeContentInputDto } from '@shared/service-proxies/service-proxies';
import * as _ from 'lodash';
import { ModalDirective } from 'ngx-bootstrap';
import { LazyLoadEvent } from 'primeng/components/common/lazyloadevent';
import { Paginator } from 'primeng/components/paginator/paginator';
import { Table } from 'primeng/components/table/table';
import { finalize } from 'rxjs/operators';

@Component({
    selector: 'ChoseUser',
    templateUrl: './ChoseUser.component.html',
    styleUrls: ['./ChoseUser.component.css']
})
export class ChoseUserComponent extends AppComponentBase {
    @ViewChild('modal') modal: ModalDirective;
    @ViewChild('dataTable') dataTable: Table;
    @ViewChild('paginator') paginator: Paginator;
    @Output() modalSave: EventEmitter<any> = new EventEmitter<any>();

    _workflowStepViewDto = new WorkflowStepViewDto;

    isShown = false;
    filterText = '';
    tenantId?: number;
    saving = false;
    selectedValues: string[] = [];
    constructor(injector: Injector,
        private _organizationUnitService: OrganizationUnitServiceProxy,
        private _workflowServiceProxy: WorkflowServiceProxy
    ) {
        super(injector);
    }
    show(workflowStepViewDto?: WorkflowStepViewDto): void {
        this._workflowStepViewDto = workflowStepViewDto;
        console.log(this._workflowStepViewDto)
        this.modal.show();
    }

    refreshTable(): void {
        this.paginator.changePage(this.paginator.getPage());
    }

    close(): void {
        this.modal.hide();
    }

    shown(): void {
        this.isShown = true;
        this.getRecordsIfNeeds(null);
    }

    getRecordsIfNeeds(event: LazyLoadEvent): void {
        if (!this.isShown) {
            return;
        }

        this.getRecords(event);
    }

    getRecords(event?: LazyLoadEvent): void {

        if (this.primengTableHelper.shouldResetPaging(event)) {
            this.paginator.changePage(0);

            return;
        }

        this.primengTableHelper.showLoadingIndicator();

        const input = new FindOrganizationUnitUsersInput();
        input.filter = this.filterText;
        input.skipCount = this.primengTableHelper.getSkipCount(this.paginator, event);
        input.maxResultCount = this.primengTableHelper.getMaxResultCount(this.paginator, event);

        this._organizationUnitService
            .findUsersName(input)
            .pipe(finalize(() => this.primengTableHelper.hideLoadingIndicator()))
            .subscribe(result => {
                console.log(result.items)
                this.primengTableHelper.totalRecordsCount = result.totalCount;
                this.primengTableHelper.records = result.items;
                this.primengTableHelper.hideLoadingIndicator();
            });
    }

    save(): void {
        const input = new WorkflowSchemeContentInputDto();
        console.log(this.selectedValues.toString())
        input.stepUser = this.selectedValues.toString();
        input.stepName = this._workflowStepViewDto.stepName;
        input.workflowName = this._workflowStepViewDto.workflowName;
        input.schemeVersion = this._workflowStepViewDto.schemeVersion;
        this.saving = true;

        this._workflowServiceProxy.insertOrUpdateWorkFlowSchemeContent(input)
            .pipe(finalize(() => { this.saving = false; }))
            .subscribe(() => {
                this.saving = false;
                this.selectedValues = [];
                this.notify.info(this.l('SavedSuccessfully'));
                this.close();
                this.modalSave.emit(null);
            });
    }
}
